Added pasting and sending features

src/EbbesMemeClipboard/Models/InsertMode.cs

@@ -0,0 +1,13 @@
+namespace EbbesMemeClipboard.Models;
+
+public enum InsertMode
+{
+    /// <summary>Just copy the meme to the clipboard; the user pastes it manually.</summary>
+    CopyOnly,
+
+    /// <summary>Copy to the clipboard, then paste it into whatever app was focused before the picker opened.</summary>
+    PasteIntoActiveWindow,
+
+    /// <summary>Same as PasteIntoActiveWindow, then also press Enter to submit/send it.</summary>
+    PasteAndSend,
+}